# Generated by Django 4.2.7 on 2025-08-18 02:27

from decimal import Decimal
from django.conf import settings
import django.core.validators
from django.db import migrations, models
import django.db.models.deletion


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='Category',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(max_length=100, unique=True)),
                ('description', models.TextField(blank=True)),
                ('is_active', models.BooleanField(default=True)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('parent', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='children', to='inventory.category')),
            ],
            options={
                'verbose_name': 'Category',
                'verbose_name_plural': 'Categories',
                'ordering': ['name'],
            },
        ),
        migrations.CreateModel(
            name='Product',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(max_length=200)),
                ('code', models.CharField(help_text='Unique product code/SKU', max_length=50, unique=True)),
                ('description', models.TextField(blank=True)),
                ('current_stock', models.DecimalField(decimal_places=2, default=0, max_digits=10, validators=[django.core.validators.MinValueValidator(Decimal('0'))])),
                ('min_stock_level', models.DecimalField(decimal_places=2, default=0, max_digits=10, validators=[django.core.validators.MinValueValidator(Decimal('0'))])),
                ('max_stock_level', models.DecimalField(decimal_places=2, default=1000, max_digits=10, validators=[django.core.validators.MinValueValidator(Decimal('0'))])),
                ('cost_price', models.DecimalField(decimal_places=2, default=0, max_digits=10, validators=[django.core.validators.MinValueValidator(Decimal('0'))])),
                ('selling_price', models.DecimalField(decimal_places=2, default=0, max_digits=10, validators=[django.core.validators.MinValueValidator(Decimal('0'))])),
                ('unit', models.CharField(choices=[('pcs', 'Pieces'), ('kg', 'Kilograms'), ('m', 'Meters'), ('l', 'Liters'), ('box', 'Boxes'), ('set', 'Sets')], default='pcs', max_length=10)),
                ('weight', models.DecimalField(blank=True, decimal_places=2, max_digits=8, null=True)),
                ('dimensions', models.CharField(blank=True, help_text='Format: LxWxH in cm', max_length=100)),
                ('is_active', models.BooleanField(default=True)),
                ('is_manufactured', models.BooleanField(default=False, help_text='Is this a manufactured product?')),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('category', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='inventory.category')),
            ],
            options={
                'verbose_name': 'Product',
                'verbose_name_plural': 'Products',
                'ordering': ['name'],
            },
        ),
        migrations.CreateModel(
            name='StockMovement',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('movement_type', models.CharField(choices=[('in', 'Stock In'), ('out', 'Stock Out'), ('adjustment', 'Stock Adjustment'), ('manufacturing', 'Manufacturing Output'), ('sale', 'Sale'), ('purchase', 'Purchase')], max_length=20)),
                ('quantity', models.DecimalField(decimal_places=2, max_digits=10)),
                ('unit_price', models.DecimalField(blank=True, decimal_places=2, max_digits=10, null=True)),
                ('total_value', models.DecimalField(blank=True, decimal_places=2, max_digits=12, null=True)),
                ('reference_type', models.CharField(blank=True, help_text='Type of reference document', max_length=50)),
                ('reference_id', models.IntegerField(blank=True, help_text='ID of reference document', null=True)),
                ('reference_note', models.CharField(blank=True, max_length=200)),
                ('date', models.DateField()),
                ('notes', models.TextField(blank=True)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('created_by', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL)),
                ('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='stock_movements', to='inventory.product')),
            ],
            options={
                'verbose_name': 'Stock Movement',
                'verbose_name_plural': 'Stock Movements',
                'ordering': ['-date', '-created_at'],
            },
        ),
    ]
